Find the volume of the prism. The triangular cross-section has a base of $\displaystyle {2.7}$ $\displaystyle {m}{m}$ and a height of $\displaystyle {7.6}$ $\displaystyle {m}{m}$. Round your answer to the nearest tenth.

$\displaystyle {V}=$ $\displaystyle \text{mm}^{{3}}$